package com.webserver.controller;

import com.webserver.entity.User;
import com.webserver.http.HttpServletRequest;
import com.webserver.http.HttpServletResponse;

import java.io.*;

public class UserController {
    private static File USER_DIR = new File("./users");
    static {
        if(!USER_DIR.exists()){
            USER_DIR.mkdirs();
        }
    }

    public void reg(HttpServletRequest request, HttpServletResponse response){
        System.out.println("开始处理用户注册...");
        //1获取用户在表单上输入的信息
        //通过request的getParameter方法获取,这里参数与页面表单中输入框的名字必须一致
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        String nickname = request.getParameter("nickname");
        String ageStr = request.getParameter("age");
        System.out.println(username+","+password+","+nickname+","+ageStr);
        int age = Integer.parseInt(ageStr);
        //2.将信息保存
        //用户名.obj
        User user = new User(username,password,nickname,age);
        //3响应客户端注册结果的页面
        File userFile = new File(USER_DIR,username+".obj");
        try (FileOutputStream fos = new FileOutputStream(userFile);
             ObjectOutputStream oos = new ObjectOutputStream(fos);
             ){
            oos.writeObject(user);
            System.out.println("注册成功");


            File file = new File("./webapps/myweb/reg_success.html");
            response.setContentFile(file);
        } catch (IOException e) {
            e.printStackTrace();
        }

        System.out.println("用户注册处理完毕...");
    }
    public void login1(HttpServletResponse response,HttpServletRequest request){
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        //必要验证
        if(username==null || password==null){
            File file = new File("./webapps/myweb/login_fail.html");
            response.setContentFile(file);
            return;
        }
        //处理登录
        //定位到登录用户的文件
        File userFile = new File(USER_DIR,username+"obj");
        if(userFile.exists()){
        }

    }
    public void login2(HttpServletRequest request,HttpServletResponse response){
        System.out.println("开始处理用户登录...");
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        //必要验证
        if(username==null||password==null){
            File file = new File("./webapps/myweb/login_info_error.html");
            response.setContentFile(file);
            return;
        }
        //处理登录
        //定位到登录用户的文件
        File userFile = new File(USER_DIR,username+".obj");
        if(userFile.exists()){
            try(
                    ObjectInputStream ois = new ObjectInputStream(
                            new FileInputStream(userFile)
                    )
            ) {
                User user = (User)ois.readObject();
                if(user.getPassword().equals(password)){
                    //登录成功
                    File file = new File("./webapps/myweb/login_success.html");
                    response.setContentFile(file);
                    return;
                }
            } catch (IOException | ClassNotFoundException e) {
                e.printStackTrace();
            }
        }
        File file = new File("./webapps/myweb/login_fail.html");
        response.setContentFile(file);


        System.out.println("处理用户登录完毕!");
    }















    public void login(HttpServletRequest request, HttpServletResponse response){
        try {
            String username = request.getParameter("username");
            String password = request.getParameter("password");
            FileInputStream userFile = new FileInputStream(USER_DIR+ "/"+username + ".obj");
            if(password==null || username==null){

                File file = new File("./webapps/myweb/login_fail.html");
                response.setContentFile(file);
                return;
            }
            ObjectInputStream objectInputStream = new ObjectInputStream(userFile);
            User user  = (User) objectInputStream.readObject();
            if(password.equals(user.getPassword())){
                File file = new File("./webapps/myweb/login_success.html");
                response.setContentFile(file);
                return;
            }

        } catch (IOException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }

        System.out.println("登录成功");
     }
    }

